Home / 529,835,222.66-731,159,702.79-291,678,471.44

Finding the Fourth Proportional to 529,835,222.66, 731,159,702.79 and 291,678,471.44

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Solution

The fourth proportional to 529,835,222.66, 731,159,702.79 and 291,678,471.44 is: 402,509,186.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,835,222.66 : 731,159,702.79 = 291,678,471.44 : x
  2. Step 2: Convert to fraction form
    529,835,222.66/731,159,702.79 = 291,678,471.44/x
  3. Step 3: Cross multiply
    529,835,222.66x = 731,159,702.79 × 291,678,471.44
  4. Step 4: Simplify right side
    529,835,222.66x = 213,263,544,488,311,904
  5. Step 5: Solve for x
    x = 213,263,544,488,311,904/529,835,222.66
  6. Step 6: Final answer
    x = 402,509,186.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.